Picking up the cello at the age of five, Mason Lieberman has performed regularly around the country since the age of six, with highlights including a performance at Lincoln Center’s Avery Fisher Hall, Austin City Limits, performing the Distant Worlds Final Fantasy concert at Boston Symphony Hall multiple times, and appearances for Quincy Jones, Jacob Collier, Jimmy Page, Jeff Williams, Video Games Live, and Bill Whelan. He sat as principal cellist of the Berklee Contemporary Symphony Orchestra. He has also performed as a soloist on multiple films, including a government-funded documentary over the 50th anniversary of the McEntire-Stennis act. As as cellist, his work can be found on the albums of multiple artists, including Nintendo, Access Games, and Namco Bandai. He has studied with Dr. Evgeni Raychev, multiple-Grammy-winning artist Eugene Friesen, and Mike Block, a grammy-winning cellist in Yo-Yo Ma's Silk Road Ensemble. He has performed multiple times with Video Game rock outfit, Video Game Orchestra, both in their default incarnation and as a part of their new performance experience, Capcom Live.

As a guitarist and vocalist, Mason can be found on everything from Riot Games' League of Legend, IMC Games' Tree of Savior, AMC's The Walking Dead, Gordon Ramsay’s Hell’s Kitchen, and much more.

Mason has kept similarly busy as a composer! His first international premiere occurred at seventeen, as part of the Vox Novus 60x60 project. He graduated with a degree in professional music, minoring in video game score at Berklee College of Music. His first film-score, Joe Lansdale’s Christmas with the Dead, was recorded in Tasmania by a seventy-man orchestra and forty-man choir. It has received critical acclaim at film festivals internationally. As the audio director for the Berklee College of Music during the Global Game Jam 2013, sponsored by Facebook and Microsoft, he directed thirty plus composers and over two hundred game designers in Atlanta, Georgia, as well as eight voice actors in Seattle, Washington. He then returned to the Global Game Jam organization itself in 2015, providing original composition and audio production services for the announcement media being shown to all attendees worldwide. He composed the score for Broadway author Jack Heifner’s [Vanities] original production of The Gift of the Magi, airing on NPR stations in Texas and Louisiana. He has provided original score to the viral YouTube series Aaron's Animals, with a top placement of #16th trending video on YouTube as a whole. Mason guest-scored for Hyper Gauge's viral One Minute Melee series.

He is the former manager of the Videri String Quartet, and was a producer on their highly-regarded RWBY EP during his tenure. He currently directs the upscale video game jazz band Tournament Arc.

Mason recently worked for Jeff Williams composing on the soundtrack for Rooster Teeth's RWBY Volume 3, after having previously appeared on the Volume 2 soundtrack as a guest cello soloist. He is also composing the soundtrack for indie action title, Renaine. He contributed additional sequencing to Fossil Hunters. He also designed and currently teaches a course in Video Game Audio for Stephen F. Austin State University. Most recently, he worked as a composer, arranger, and recording artist on the soundtrack of Disney XD's Beyblade Burst Evolution.